13840496

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{20117}}^1$

素因数の和:20168

約数の個数: 20

約数和(自身を含む): 27440952

約数和(自身を除く): 13600456

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 20117, 40234, 80468, 160936, 321872, 865031, 1730062, 3460124, 6920248, 13840496]

約数ペア:

[(1, 13840496), (2, 6920248), (4, 3460124), (8, 1730062), (16, 865031), (43, 321872), (86, 160936), (172, 80468), (344, 40234), (688, 20117)]